Within The Tempest it is demonstrated that contact with native populations is rarely an even exchange; the native people are usually exploited in some way. This is demonstrated by the way that the "invaders" in the form of those who are shipwrecked at the beginning of the play attempt to change the islanders, little suspecting that one of them is the usurped Duke of Milan - now in the form of the wizard/magician Prospero.
To some extent it could also be argued that Prospero himself has already changed the nature of the island by being there. He has introduced magic, captures the monster Caliban and lies to his own daughter (allbeit it to protect her).
Answer:
to correct the misconception that enslaved people sing because they are happy
Listening, eye contact, nodding or agreeing to show your listening
Answer:
In the Chinese culture they like to show off their kids when they are doing good. But in American culture they do not do that. So she is embarrassed since she is trying to adapt to american culture